We use it on black bears all the time. I'm a Game Warden so I spend a lot of time up close and personal with black bears.

If you encounter a bear and you're not sure if it's a black bear or a grizzly the best thing to do is climb a tree. If the bear climbs the tree after you and eats you it's a black bear. If the bear knocks the tree down and eats you it's a grizzly.

Well, it looks like regular MK-9 cans have similar range (and I've trained on them), so I think I'll just get one of them. Same price, and I can dual-purpose it!

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"Opportunity is missed by most people because it comes dressed in overalls and looks like work." -- Thomas Edison